DB Regio NRW secures RRX operations contract April 15, 2014 | Europe Company News DB Regio NRW, a subsidiary of Deutsche Bahn (DB), has secured a contract from Rhine-Ruhr Transport Authority to operate the future Rhine-Ruhr Express (RRX) network from December 2016 to December 2018.... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password